IT Operations & Networking
Running systems and networks, at work or at home.
help!! our Elasticsearch node runs in a container with a 256Mi memory limit. Several times a day it just dies: the status says OOMKilled, exit code 137. our dashborad says it uses well under teh limit most of teh time... how can it run out of memory? The app…
im literally losing my mind here i might be wrong here, but Im losing my mind. I ran pip install requests, it said success. then I run my script: i ran pip install again and it says "Requirement already satisfied". so its installed AND not installed at the…
guys pls help picture a new hardware batch arriving, the boss asking when theyll be ready, and every machine doing this when you try to network boot:
classic... pipelines are slow and most of the time goes to dependency installation and Docker builds, ive read about cacihng but Im nervous about flaky builds from stale caches. What do people typically cache in CI,…
our deploy pipeline for prod failed with this: A colleague hit Ctrl+C on a local apply last night cuz it was taking too long. now nothing works. is teh state broken? do i need to restore from backup? i dont even know whether the interrupted run changed any…
guys pls help i self host a handful of apps in containers. Most of the images i use run as root inside teh container by default. i keep reading that this is a bad practice, but also that containers provide isolation…
guys pls help I have a small VPS running a website. Looking at the logs, there are thousands of failed SSH login attempts per day from all over. Nothing seems to have gotten in, but it's unsettling. Right now I log in…
guys pls help take this with a grain of salt: i work from home and have a growing number of smart home devices, plus guests who use teh Wi Fi. id like to separate them from my work laptop and home server. ive got a…
help!! small conifg change, rolled out to EKS, and now the frnotend pod is looping: rollback would be easy but i wanna undersatnd what happened. restart counter keeps clmibing and my on call phone is buzzing. The change was just a couple of environment…
Picture finally scheduling the maintenance window for the ConfigMgr site update, getting change approval, and then the prerequisite check comes back like this: two failures and two warnings... the window is tonight. i dont want to start installing random…
trying to SSH from Windows Terminal into the backup server and i get: Permission denied (publickey)... i added my public key to authorized keys, double checked it's the right one, even regenerated it once.. 🔥 password login is disabled so i can't get in any…
To add some context: picture building a nice dashboard on top of hardware inventory data, only to realise half of it is months old:
long time lurker first post lol just trying to start the web container with docker compose up on teh CI runner and i get: docker ps shows nothing running. i rebooted Docker. still the same. i need this running for a demo in an hour and i'm getting desperate.…
Fun problem! After a routine OS upgrade, a command line tool Ive used forever now does this on startup: nothing changed in the tool itself. how do i find out whether it's teh tool, a library, or the system? seriously need help here 😭
Our smart theromstats at a home lab get firmware updates maybe once in their lifetime. They sit next to computers with sensitive data :D i want to isolate them, but Im worried about discovery and casting breaking. Whats your experience? Some of these smart…
our patching is motnhly and entirely manual, which means some servers get skipped for months :D I want to fix this without breaking things. how do you structure rings, approvals and reboots? Theres also the reobot question. Some of these servers havent been…
small config cahnge, rolled out to AKS, and now the frontend pod is looping: rollback would be easy but I want to undrestand what happened :/ restart counter keeps climbing and my on call phone is buzzing. The change was just a couple of environment…
new to Docker... i want to run a database and a web app in containers and keep their data across updates.. 😭 tutroials use named volumes, bind mounts, or nothing at all. Whats the sensible approach, and how do i back…
weve got a coulpe of access points in a shared office building and teh Wi Fi is unreliable. lots of neighbouring networks visible. default channel settings on both APs. how do people approach channel planning in a…
imagine patch week, opening All Software Updates in teh console, and noticing the newest updates are from last month. then you open wsyncmgr.log:
ugh. weird one. From a customer site, OpenVPN connects and then nothing internal resolves: If i type teh IP address of teh intranet wiki directly it sometimes works! But names fail every time. Help me before i start memorizing IP addresses. Ive also flushed…
from experience: Im on a two person IT team... when something breaks at night, whoevers on call often has to work things out from scratch because teh knowledge is in one persons head, weve talked about writing runbooks, but every time we try, they end up…
long time lurker first post lol were a agency running a couple of APIs and a database. Today its Docker Compose on two VMs, deployed by a script ;) A new hire is pushing hard for Kubernetes: self healing, rolling updates, industry satndard. I worry well…
ugh. well. Set up a self hosted app in a container behind a reverse proxy, opened the shiny new subdomain, and got: seriously need help here 😭
so annoyed rn i inherited a Azure DevOps agent nobody has touched in a year. today the test stage failed with ENOSPC and the disk looks like this: I'm scared to delete anything because I don't know what's safe ;) The whole team is blocked and looking at me.…
